Terry Kenney's Dragon Power Station prototype works by harnessing the kinetic energy of trucks passing over plates buried in the road and turning that energy into electricity. The system he's got set up now in the Port of Oakland, with 2,500 trucks passing over it in a day, is enough to power 1,750 homes. It's a very… »5/01/08 2:00pm 5/01/08 2:00pm